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�'`.ss` o� - x,..r �r. .v-e a.�. '' �„"t.".„�' ?'" - :' § +TM _ rg'_ _..�,- .c" ',,�c' t ru.=;�v, u- d=+'?, +'cam'.' - _.ryn..,...,�, .'� ' <br />- 1;:'• �'i¢"i.`.:.•'*t. ,. e?:i.5n °" s�" ""',�.3 IN �R;=" " i .: <br /> m�-�7"z�I - �' -�,.��. <br /> '�++�a.«'� <br /> � <br /> I <br /> TARLF OF CONTFNTS <br /> 1.0 INTRODUCTION....... ....... .. <br /> 1.1 PurposeI <br /> 1.3 Previous Reports and Letters..................... 1 <br /> 2.0 BACKGROUND INFORMATION..................... 2 <br /> -� 2.1 Site Location and Description ......... ............ .............. <br /> 2.2 Site History and Operation ..................... 2 <br /> 2.3 Well Inventory............ .... ............................ . 3 <br /> 2.4 Utilities ................. .......................... 4 <br /> 2.5 Regional Geology and Hydrogeology. ..................................... .. 4 <br /> 3.0 PROJECT SITE HYDROGEOLOGIC DESCRIPTION AND ANALYTICAL RESULTS ... 5 <br /> 3.1 Site Soils and Geology. . . 5 <br /> 3.2 Soil Analytiwal Results Distribution of Petroleum Constituentsin Soils . 5 <br /> 3.3 Site Hydrogeoloay . '"' 10 <br /> 3.4 Ground Water Analytical Results and Distribution of Petroleum Constituents in Water 10 <br /> 3.5 Soil Vapor Extraction and Ground Water Pumping Test .................. 15 <br /> 35.1 Ground Water Pumpin5 Test ...................... 15 <br /> 3.5.2 Soil Venting Test ............................... ......... ....... 16 <br /> 3.6 Manifold System Design •.•......'...' '' 16 <br /> y 3.7 Interim Free Product Skimming and Recovery............................ .. .. <br /> 17 <br /> 4,0 REMEDIAL ALTERNATIVES SCREENING AND SELECTION <br /> 17 <br /> 4.1 In-Situ Remediation of Soil and Ground Water IS <br /> 4.1I Soil Venting .......................... ........ <br /> t 4.1.2 Ground Water Recovery ,., 18 <br /> rK 4.2 Ground W-ler Treatment and Permits 18 <br /> 4.3 Emission Czotrol Systems and Permitting .......... .. ............... .... 20 <br /> 43.1 Granular Activated Carbon Unit{Vapor-Phase)... . <br /> .. ................. .. 20 <br /> 4.3.2 Catalytic Oxidizer ... ....... ... <br /> 4.3.3 Thermal Oxidizer ............. _ ......... . .. 21 <br /> 4.4 Conceptual Design .. ....................I..................... ...... .. 21 <br /> 4.4.1 Soil Remediation .......... ........ .. ... . 2I <br /> �• ....................................... <br /> 21 <br /> 4.4.2 Graund`.pater Remediation <br /> 4.5 Remediation'stem Monitoring .......... ..... .. ... ... ........ ........ ... 22 <br /> 23 <br /> 5.0 ESTABLISHING CLEANUP LEVELS ... ....... ........ ....... ................. .. <br /> 6.0 SCHEDULE .............. ........ ..... .............. ........... ........ .... 24 <br /> 7.0 REMARKS/SIGNATURES . ................ ... ...................... .......... ... 25 <br /> r <br />